Instructions for using csi esitor on class accounts: www.call-cc.org csi from command line ,q to quit Note that the code files include both an upper case and lower case version for each function. csi compiler takes only lower case reserved words. If you want to load a function, save the file on your lab account with all lower case. Then you should be able to use (load "equalsimp.scm"). You can also copy and paste lines from the example files directly into the editor After you load or copy a function you can test it, e.g., (equalsimp '(1 2 3) '(1 2 3))